import axios from 'axios'
import { MessageBox, Message } from 'element-ui'
import store from '@/store'
import { getToken, removeItem, removeToken } from '@/plugins/auth'

// create an axios instance
const service = axios.create({
  baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 1000 * 60 * 10 // request timeout
})

// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent

    if (store.getters.token) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      config.headers['X-Token'] = getToken()
    }
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
   */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    const res = response.data
    // if the custom code is not 20000, it is judged as an error.
    if (res.header.code !== 0 && res.header.code !== 0x3FFF0005) {
      Message({
        message: res.body.msg || 'Error',
        type: 'error',
        duration: 5 * 1000
      })

      // 未登录
      if (res.header.code === 10000 ) {
        setTimeout(function() {
          removeToken()
          removeItem('baseParam')
          window.location.href = '/#/' + global.loginUrl
        }, 1000)
        return
      }
      return Promise.reject(res.body.msg)
      // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
      // if (res.header.code === 50008 || res.header.code === 50012 || res.header.code === 50014) {
      //   // to re-login
      //   MessageBox.confirm('You have been logged out, you can cancel to stay on this page, or log in again', 'Confirm logout', {
      //     confirmButtonText: 'Re-Login',
      //     cancelButtonText: 'Cancel',
      //     type: 'warning'
      //   }).then(() => {
      //     store.dispatch('user/resetToken').then(() => {
      //       location.reload()
      //     })
      //   })
      // }
      // return Promise.reject(new Error(res.message || 'Error'))
      return res
    } else {
      return res
    }
  },
  error => {
    // console.log('err' + error) // for debug
    console.error(error.response)
    switch (error.response.data.status) {
      case 404:
        Message({
          message: '接口不存在：' + error.response.data.path || error.response.data.error || '页面不存在',
          type: 'error',
          duration: 5 * 1000
        })
        break
      case 403:
        Message({
          message: error.response.data.message || error.response.data.error || '无权访问',
          type: 'error',
          duration: 5 * 1000
        })
        break
      case 503:
        Message({
          message: error.response.data.message || error.response.data.error || '网关错误',
          type: 'error',
          duration: 5 * 1000
        })
        break
      case 500:
        Message({
          message: error.response.data.message || error.response.data.error || '系统错误',
          type: 'error',
          duration: 10 * 1000
        })
        break
      default:
        Message({
          message: error.response.data.message || error.response.data.error || '系统错误',
          type: 'error',
          duration: 10 * 1000
        })
    }
    return Promise.reject(error)
  }
)

export default service
